Prof. Dr. Han Collewijn serving as a subject in the
MRFM in the TAP condition
Velcro straps hold a sparker on the top of
his head and a orthogonal pair of sensor coils on his forehead.
A mu-metal box, held by a strap around his neck,
shields connectors from sensor coils worn on both eyes.
A ground-wire strap is on his left wrist and the
button used to start trials can be seen in his left hand.
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